Characterization of metamorphic basement in the eastern part of Brazo Huemul, province of Neuquén

Autores
Gargiulo, M.F.
Año de publicación
2006
Idioma
inglés
Tipo de recurso
artículo
Estado
versión publicada
Descripción
This paper describes for the first time in the study area the lithology, structure and different metamorphic events that have affected the basement in the eastern margin of Brazo Huemul of Nahuel Huapi Lake. These rocks have been classified as protomilonitic paragneisses and they were correlated to the Colohuincul Complex. A brittle - ductile shear zone with an orientation of N14°W (similar to the regional trend) has been interpreted as a deep angle reverse fault (74°SW), that put metamorphic basement rocks in tectonic contact with volcanic/ volcaniclastic rocks from Ventana Formation. In agreement with the mineral assemblages observed (quartz - chlorite - biotite - garnet (almandine) - albite) it was possible to determine a sedimentary pelitic protolith that was affected by regional metamorphism under high temperature green schist facies (biotite - garnet zone) conditions. © 2006 Asociación Geológica Argentina.
Fil:Gargiulo, M.F. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales; Argentina.
Fuente
Rev. Asoc. Geol. Argent. 2006;61(3):355-363
Materia
Brittle - ductile deformation
Colohuincul Complex
Green schist facies
Metamorphic basement
Shear zone
brittle deformation
ductile deformation
metamorphic facies
regional metamorphism
reverse fault
shear zone
Argentina
Brazo Huemul
Nahuel Huapi Lake
Neuquen
South America
Nivel de accesibilidad
acceso abierto
Condiciones de uso
http://creativecommons.org/licenses/by/2.5/ar
Repositorio
Biblioteca Digital (UBA-FCEN)
Institución
Universidad Nacional de Buenos Aires. Facultad de Ciencias Exactas y Naturales
OAI Identificador
paperaa:paper_00044822_v61_n3_p355_Gargiulo
Acceder
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oai_identifier_str paperaa:paper_00044822_v61_n3_p355_Gargiulo
network_acronym_str BDUBAFCEN
repository_id_str 1896
network_name_str Biblioteca Digital (UBA-FCEN)
spelling Characterization of metamorphic basement in the eastern part of Brazo Huemul, province of Neuquén Gargiulo, M.F.Brittle - ductile deformationColohuincul ComplexGreen schist faciesMetamorphic basementShear zonebrittle deformationductile deformationmetamorphic faciesregional metamorphismreverse faultshear zoneArgentinaBrazo HuemulNahuel Huapi LakeNeuquenSouth AmericaThis paper describes for the first time in the study area the lithology, structure and different metamorphic events that have affected the basement in the eastern margin of Brazo Huemul of Nahuel Huapi Lake. These rocks have been classified as protomilonitic paragneisses and they were correlated to the Colohuincul Complex. A brittle - ductile shear zone with an orientation of N14°W (similar to the regional trend) has been interpreted as a deep angle reverse fault (74°SW), that put metamorphic basement rocks in tectonic contact with volcanic/ volcaniclastic rocks from Ventana Formation. In agreement with the mineral assemblages observed (quartz - chlorite - biotite - garnet (almandine) - albite) it was possible to determine a sedimentary pelitic protolith that was affected by regional metamorphism under high temperature green schist facies (biotite - garnet zone) conditions. © 2006 Asociación Geológica Argentina.Fil:Gargiulo, M.F. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales; Argentina.2006info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionhttp://purl.org/coar/resource_type/c_6501info:ar-repo/semantics/articuloapplication/pdfhttp://hdl.handle.net/20.500.12110/paper_00044822_v61_n3_p355_GargiuloRev. Asoc. Geol. Argent. 2006;61(3):355-363reponame:Biblioteca Digital (UBA-FCEN)instname:Universidad Nacional de Buenos Aires. Facultad de Ciencias Exactas y Naturalesinstacron:UBA-FCENenginfo:eu-repo/semantics/openAccesshttp://creativecommons.org/licenses/by/2.5/ar2025-09-29T13:43:03Zpaperaa:paper_00044822_v61_n3_p355_GargiuloInstitucionalhttps://digital.bl.fcen.uba.ar/Universidad públicaNo correspondehttps://digital.bl.fcen.uba.ar/cgi-bin/oaiserver.cgiana@bl.fcen.uba.arArgentinaNo correspondeNo correspondeNo correspondeopendoar:18962025-09-29 13:43:04.704Biblioteca Digital (UBA-FCEN) - Universidad Nacional de Buenos Aires. Facultad de Ciencias Exactas y Naturalesfalse
dc.title.none.fl_str_mv Characterization of metamorphic basement in the eastern part of Brazo Huemul, province of Neuquén
title Characterization of metamorphic basement in the eastern part of Brazo Huemul, province of Neuquén
spellingShingle Characterization of metamorphic basement in the eastern part of Brazo Huemul, province of Neuquén
Gargiulo, M.F.
Brittle - ductile deformation
Colohuincul Complex
Green schist facies
Metamorphic basement
Shear zone
brittle deformation
ductile deformation
metamorphic facies
regional metamorphism
reverse fault
shear zone
Argentina
Brazo Huemul
Nahuel Huapi Lake
Neuquen
South America
title_short Characterization of metamorphic basement in the eastern part of Brazo Huemul, province of Neuquén
title_full Characterization of metamorphic basement in the eastern part of Brazo Huemul, province of Neuquén
title_fullStr Characterization of metamorphic basement in the eastern part of Brazo Huemul, province of Neuquén
title_full_unstemmed Characterization of metamorphic basement in the eastern part of Brazo Huemul, province of Neuquén
title_sort Characterization of metamorphic basement in the eastern part of Brazo Huemul, province of Neuquén
dc.creator.none.fl_str_mv Gargiulo, M.F.
author Gargiulo, M.F.
author_facet Gargiulo, M.F.
author_role author
dc.subject.none.fl_str_mv Brittle - ductile deformation
Colohuincul Complex
Green schist facies
Metamorphic basement
Shear zone
brittle deformation
ductile deformation
metamorphic facies
regional metamorphism
reverse fault
shear zone
Argentina
Brazo Huemul
Nahuel Huapi Lake
Neuquen
South America
topic Brittle - ductile deformation
Colohuincul Complex
Green schist facies
Metamorphic basement
Shear zone
brittle deformation
ductile deformation
metamorphic facies
regional metamorphism
reverse fault
shear zone
Argentina
Brazo Huemul
Nahuel Huapi Lake
Neuquen
South America
dc.description.none.fl_txt_mv This paper describes for the first time in the study area the lithology, structure and different metamorphic events that have affected the basement in the eastern margin of Brazo Huemul of Nahuel Huapi Lake. These rocks have been classified as protomilonitic paragneisses and they were correlated to the Colohuincul Complex. A brittle - ductile shear zone with an orientation of N14°W (similar to the regional trend) has been interpreted as a deep angle reverse fault (74°SW), that put metamorphic basement rocks in tectonic contact with volcanic/ volcaniclastic rocks from Ventana Formation. In agreement with the mineral assemblages observed (quartz - chlorite - biotite - garnet (almandine) - albite) it was possible to determine a sedimentary pelitic protolith that was affected by regional metamorphism under high temperature green schist facies (biotite - garnet zone) conditions. © 2006 Asociación Geológica Argentina.
Fil:Gargiulo, M.F. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales; Argentina.
description This paper describes for the first time in the study area the lithology, structure and different metamorphic events that have affected the basement in the eastern margin of Brazo Huemul of Nahuel Huapi Lake. These rocks have been classified as protomilonitic paragneisses and they were correlated to the Colohuincul Complex. A brittle - ductile shear zone with an orientation of N14°W (similar to the regional trend) has been interpreted as a deep angle reverse fault (74°SW), that put metamorphic basement rocks in tectonic contact with volcanic/ volcaniclastic rocks from Ventana Formation. In agreement with the mineral assemblages observed (quartz - chlorite - biotite - garnet (almandine) - albite) it was possible to determine a sedimentary pelitic protolith that was affected by regional metamorphism under high temperature green schist facies (biotite - garnet zone) conditions. © 2006 Asociación Geológica Argentina.
publishDate 2006
dc.date.none.fl_str_mv 2006
dc.type.none.fl_str_mv info:eu-repo/semantics/article
info:eu-repo/semantics/publishedVersion
http://purl.org/coar/resource_type/c_6501
info:ar-repo/semantics/articulo
format article
status_str publishedVersion
dc.identifier.none.fl_str_mv http://hdl.handle.net/20.500.12110/paper_00044822_v61_n3_p355_Gargiulo
url http://hdl.handle.net/20.500.12110/paper_00044822_v61_n3_p355_Gargiulo
dc.language.none.fl_str_mv eng
language eng
dc.rights.none.fl_str_mv info:eu-repo/semantics/openAccess
http://creativecommons.org/licenses/by/2.5/ar
eu_rights_str_mv openAccess
rights_invalid_str_mv http://creativecommons.org/licenses/by/2.5/ar
dc.format.none.fl_str_mv application/pdf
dc.source.none.fl_str_mv Rev. Asoc. Geol. Argent. 2006;61(3):355-363
reponame:Biblioteca Digital (UBA-FCEN)
instname:Universidad Nacional de Buenos Aires. Facultad de Ciencias Exactas y Naturales
instacron:UBA-FCEN
reponame_str Biblioteca Digital (UBA-FCEN)
collection Biblioteca Digital (UBA-FCEN)
instname_str Universidad Nacional de Buenos Aires. Facultad de Ciencias Exactas y Naturales
instacron_str UBA-FCEN
institution UBA-FCEN
repository.name.fl_str_mv Biblioteca Digital (UBA-FCEN) - Universidad Nacional de Buenos Aires. Facultad de Ciencias Exactas y Naturales
repository.mail.fl_str_mv ana@bl.fcen.uba.ar
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score 13.070432

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